Anyone going for the 200 minutes achievement, I've posted the times that I got on my Padawan run through (I started keeping track starting with Act III on my Master play). I got the achievement at 220 minutes (3 hours 40 minutes), so it doesn't have to be exact. This is more of a guideline on what you should shoot for when going through the levels.

For the Jedi missions, I had on Invulnerability and Ultimate Lightsaber (except during the boss fights, where I subbed Invulnerability for Extra Damage). For the Clone missions, I had on Invulnerability, and if I picked up another weapon (detonators, rocket launchers or mini-gun), I turned on that cheat, too.

During my first playthrough on Master, as soon as I could buy the Combo Bar cheat, I did, and turned it on at the beginning of each mission. That gave me enough points to by everything even before I started my Padawan playthrough.